A020799 Decimal expansion of 1/sqrt(42).

1, 5, 4, 3, 0, 3, 3, 4, 9, 9, 6, 2, 0, 9, 1, 9, 1, 0, 2, 6, 1, 0, 9, 4, 4, 6, 2, 7, 6, 3, 9, 9, 9, 9, 2, 0, 4, 2, 1, 5, 5, 2, 4, 8, 3, 5, 0, 1, 3, 8, 9, 2, 0, 3, 5, 6, 4, 5, 5, 6, 0, 5, 7, 0, 9, 0, 7, 0, 5, 1, 7, 5, 6, 6, 2, 9, 5, 3, 4, 3, 7, 4, 1, 4, 2, 9, 4, 3, 0, 7, 3, 0, 0, 1, 3, 3, 5, 7, 7

Offset

0,2

Links

Ivan Panchenko, Table of n, a(n) for n = 0..1000

Index entries for algebraic numbers, degree 2.

Formula

Equals A020763 * A020764 . - R. J. Mathar, Nov 14 2023

Example

0.15430334996209191026109446276399992042155248350138920356455605709070517566....

Mathematica

RealDigits[N[1/Sqrt[42], 200]] (* Vladimir Joseph Stephan Orlovsky, Jun 01 2010 *)

Prog

(PARI) 1/sqrt(42) \\ Charles R Greathouse IV, May 19 2026

Crossrefs

Sequence in context: A347272 A097960 A019712 * A199432 A073743 A393489

Adjacent sequences: A020796 A020797 A020798 * A020800 A020801 A020802

Keyword

nonn,cons

Author

N. J. A. Sloane

Status

approved